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Method for connection acceptance and rapid determination of optimal multi-media content delivery over network

DC
  • US 6,850,965 B2
  • Filed: 06/26/2001
  • Issued: 02/01/2005
  • Est. Priority Date: 11/17/1998
  • Status: Expired due to Term
First Claim
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1. A method of bandwidth allocation for delivery of stored digital content from at least one server device to at least one client device by way of a network, the method comprising the steps of:

  • a) prescribing a control variable which represents a target flow rate of content from the server device to each client device by;

    i) forming a hyperplane of control variables that aggregate to a maximum allowed aggregate flow rate;

    ii) computing a first vector of minimum allowed client flow rates;

    iii) computing a second vector of maximum allowed client flow rates;

    iv) determining a multi-dimensional shape of which an interior diagonal spans the first and second vectors; and

    v) finding a solution of control variables at a point of intersection between the diagonal and the hyperplane;

    b) determining time-varying constraints on the target flow rate of the content;

    c) determining a cost function of the control variables for all clients wherein the cost function represents an aggregate flow rate and is a sum of all flow rates for all clients; and

    d) prescribing bandwidth to all clients based upon a value of the control variables that maximize the cost function.

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